From: Waiman Long <longman@redhat.com>
To: "Ting11 Wang 王婷" <wangting11@xiaomi.com>
Cc: Mukesh Ojha <quic_mojha@quicinc.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
"john.p.donnelly" <john.p.donnelly@oracle.com>,
Hillf Danton <hdanton@sina.com>,
Peter Zijlstra <peterz@infradead.org>,
Will Deacon <will@kernel.org>, Boqun Feng <boqun.feng@gmail.com>,
Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH] locking/rwsem: Prevent non-first waiter from spinning in down_write() slowpath
Date: Wed, 12 Oct 2022 09:21:11 -0400 [thread overview]
Message-ID: <29d65c22-747a-2538-cc17-db619c85b8f8@redhat.com> (raw)
In-Reply-To: <446288c6c7db4ab2b23f7041baa62335@xiaomi.com>
On 10/11/22 03:20, Ting11 Wang 王婷 wrote:
> Hi Waiman,
>
> Thanks for your quick reply.
> Regarding this issue, we have done a lot of testing on our devices and found that the first patch is the most effective,is it possible to using this patch?
>
> https://lore.kernel.org/lkml/e1cb435a-4471-ac3a-344f-04448f167c9f@quicinc.com/
>
Yes, I am going to resurrect this patch.
Cheers,
Longman
next prev parent reply other threads:[~2022-10-12 13:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-29 18:04 Waiman Long
2022-09-29 18:06 ` Waiman Long
2022-09-30 4:47 ` Mukesh Ojha
2022-10-10 10:24 ` Mukesh Ojha
2022-10-10 16:57 ` Waiman Long
[not found] ` <03421f0e453143f6ae4a9a7a8a4f47f4@xiaomi.com>
[not found] ` <446288c6c7db4ab2b23f7041baa62335@xiaomi.com>
2022-10-12 13:21 ` Waiman Long [this message]
2022-09-29 21:15 ` John Donnelly
2022-09-30 1:09 ` Waiman Long
2022-09-30 4:46 ` Mukesh Ojha
2022-09-30 13:57 ` Waiman Long
2022-09-30 5:06 ` Mukesh Ojha
2022-09-30 14:08 ` Waiman Long
2022-09-30 16:03 ` Mukesh Ojha
[not found] <20221011104621.231-1-hdanton@sina.com>
2022-10-11 13:16 ` Mukesh Ojha
2022-10-12 13:16 ` Waiman Long
2022-10-12 13:14 ` Waiman Long
[not found] <20221012040410.403-1-hdanton@sina.com>
2022-10-12 13:19 ` Waiman Long
2022-10-12 13:42 ` Mukesh Ojha
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